Novel acetal

Novel acetylenic compounds useful as starting materials for prep

Novel acid compounds

Novel alcohols

Novel alkyl substituted fluorescent compounds and polyamino acid

Novel allethrolone derivatives

Novel amide compounds

Novel amino-indazole compounds

Novel aminonaphthacene derivatives and process for preparation t

Novel analogs of .beta.-endorphin

Novel analogs of deamino-vasopressin with a modified disulfide b

Novel analogs of prostaglandins with 4-oxo-thiazolidinyl nucleus

Novel analogues of prostanoic acids not occurring in nature

Novel anti-diarrheal 4-azatricyclo[4.3.1.1.sup.3,8 ] undecane de

Novel anti-leukemic diterpenoid triepoxides

Novel antibacterial agents and potentiators of carbapenem antibi

Novel antibacterial amide compounds and process means for produc

Novel antifertility agents

Novel antifertility agents

Novel antifugal antibiotic substance, process for production of